CAS 142994-02-3 appears in our catalog under these names: 4-Bromo-2-(methylsulfonyl)benzoic acid, 95%, 4-Bromo-2-(methylsulfonyl)benzoic acid, 98%, 4–Bromo–2–(methylsulfonyl)benzoic Acid, 4-Bromo-2-(methylsulfonyl)benzoic acid, 98%, 98%. Offered by: Combi-blocks, AmBeed, GLPBio, Chemat, Fluorochem. Available pack sizes: 1g, 10g, 5g, 100mg, 250mg, 25g.